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Science | Engineering | Materials Science

Explore how the use of natural and manmade materials further technology. Read articles on subjects such as nanotechnology, iron steel and reverse osmosis.

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How a Cold Heat Soldering Iron Works

As an invention, Cold Heat seems to have everything. But reviewers -- both professionals and average users -- either love the tool or hate it, and some people question whether it's really "new" at all.


Are food-based plastics a good idea?

 Are food-based plastics a good idea?

Food-based plastics are plastic products that are made out of the food we eat. Learn about food-based plastics in this article from HowStuffWorks. See more »

How Electroluminescent (EL) Wire Works

 How Electroluminescent (EL) Wire Works

Electroluminescent wire is widely used by artists to illuminate clothing, bicycle spokes, turntables and even cars. Learn about electroluminescent wire. See more »

How Aerogels Work

 How Aerogels Work

Aerogels are incredible materials that could have dozens of uses from insulation to oil spill cleanup. Learn about aerogels in this article. See more »

What is nanotechnology?

 What is nanotechnology?

Nanotechnology is one of the hot buzzwords of the 21st century. Learn what is technology and some of the applications for nanotechnology. See more »

Are there natural nanotechnologies?

 Are there natural nanotechnologies?

Can natural nanotechnology exist? If molecules can be found in nature, is there anything that could truly qualify as a natural nanotechnology? Find out. See more »

What is the gray goo nightmare?

 What is the gray goo nightmare?

Gray goo is a possible scenario if nanomachines get out of hand. See what gray goo is and all about a possible gray goo nightmare. See more »

Can nanoscopic machines manipulate atoms?

 Can nanoscopic machines manipulate atoms?

Nanoscopic machines can theoretically build things molecule by molecule. Learn about the potential uses for nanoscopic machines. See more »

How Welding Works

 How Welding Works

Welding is what makes bridges, skyscrapers and automobiles possible. Learn about the science behind welding. See more »

Can a swimsuit make you swim faster?

 Can a swimsuit make you swim faster?

A swimsuit alone can't make you swim faster, but it can smooth your body and cut drag. Read about the swimsuit some think will make you swim faster. See more »

Everyday Science: Iron Quiz

 Everyday Science: Iron Quiz

This iron quiz will test your knowledge of one of the most important substances to human civilization. Check out this iron quiz. See more »